From 92d4dfdca5f83906f4a9fa7409c7c8f5e603e4d5 Mon Sep 17 00:00:00 2001
From: ZyX <kp-pav@yandex.ru>
Date: Sun, 28 Feb 2016 04:20:27 +0300
Subject: ci: Disable -Wc11-extensions on FreeBSD

Closes #4363.
---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c3f4d927d..35612e93dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,6 +202,12 @@ if(MSVC)
 else()
   add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter
     -Wstrict-prototypes -std=gnu99)
+
+  # On FreeBSD 64 math.h uses unguarded C11 extension, which taints clang
+  # 3.4.1 used there.
+  if(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+    add_definitions(-Wno-c11-extensions)
+  endif()
 endif()
 
 if(MINGW)
-- 
cgit